Add a state output for BIDIRECTIONAL_SEQUENCE_RNN

Bug: 138443991
Test: NNTest_static and VtsHalNeuralnetworksV1_3TargetTest
Change-Id: Iabda8320facc253c273ea6edb9d0b24b3715c4f9
Merged-In: Iabda8320facc253c273ea6edb9d0b24b3715c4f9
(cherry picked from commit 8e5af4b220a80ada795abaf1d582720a0c89e23f)
6 files changed